diff --git a/vendor/google.golang.org/grpc/call.go b/vendor/google.golang.org/grpc/call.go
index 9e20e4d..e6a1dc5 100644
--- a/vendor/google.golang.org/grpc/call.go
+++ b/vendor/google.golang.org/grpc/call.go
@@ -27,6 +27,11 @@
 //
 // All errors returned by Invoke are compatible with the status package.
 func (cc *ClientConn) Invoke(ctx context.Context, method string, args, reply interface{}, opts ...CallOption) error {
+	if err := cc.idlenessMgr.onCallBegin(); err != nil {
+		return err
+	}
+	defer cc.idlenessMgr.onCallEnd()
+
 	// allow interceptor to see all applicable call options, which means those
 	// configured as defaults from dial option as well as per-call options
 	opts = combine(cc.dopts.callOptions, opts)